Example #1
0
File: uniter.go Project: bac/juju
// ConfigSettings returns the complete set of service charm config
// settings available to each given unit.
func (u *UniterAPIV3) ConfigSettings(args params.Entities) (params.ConfigSettingsResults, error) {
	result := params.ConfigSettingsResults{
		Results: make([]params.ConfigSettingsResult, len(args.Entities)),
	}
	canAccess, err := u.accessUnit()
	if err != nil {
		return params.ConfigSettingsResults{}, err
	}
	for i, entity := range args.Entities {
		tag, err := names.ParseUnitTag(entity.Tag)
		if err != nil {
			result.Results[i].Error = common.ServerError(common.ErrPerm)
			continue
		}
		err = common.ErrPerm
		if canAccess(tag) {
			var unit *state.Unit
			unit, err = u.getUnit(tag)
			if err == nil {
				var settings charm.Settings
				settings, err = unit.ConfigSettings()
				if err == nil {
					result.Results[i].Settings = params.ConfigSettings(settings)
				}
			}
		}
		result.Results[i].Error = common.ServerError(err)
	}
	return result, nil
}